Show values that satisfy an inequality on a set of axes by drawing the line of the corresponding equation and shading the area specified in a question. Include a dashed line for inequalities where the ...

Carpathian Journal of Mathematics, Vol. 30, No. 1 (2014), pp. 15-22 (8 pages) In this paper, by using a simple technique, we obtain several existence results of the solutions for general variational ...

Paul Constant is a writer at Civic Ventures and the cohost of the "Pitchfork Economics" podcast. He spoke with professor Oded Galor, who wrote a book about the history of wealth inequality. Galor said ...